RC speed was probably my biggest RC anxiety point before I figured out what was actually going on.
The replies above are right that comprehension is the real lever. But I want to add something specific that clicked for me, which is about where the time is actually going.
Most people who feel slow in RC aren't slow readers. They're slow because they're re-reading. They read a paragraph, don't feel confident about what it said, and go back. That cycle can eat 30-40 seconds on a single passage.
The fix I used was a passage map habit. As I read each paragraph, I'd write one phrase (literally just 3-5 words) capturing what that paragraph did, not what it said. Examples: "author criticizes study X," "counterargument introduced," "study's conclusions explained." After the passage, I had a rough map of the structure, not the content.
This does a few things. It forces active reading, which kills the passive drift that causes re-reading. It also means that for most question types, especially Main Point and Structure questions on Reading Comprehension, you already have 80% of your answer before you look at the choices. For Detail and Inference questions, you know exactly which paragraph to look at, so you're not re-reading the whole passage.
During my prep I tracked my times and the passage map added maybe 30-45 seconds to my initial read but saved 90+ seconds on the questions. Net gain every time.
One warning: don't make the map too detailed. If you're writing full sentences, you're summarizing not mapping. The goal is a quick pointer, not a transcript.